Home / 57,093,267.80-78,786,602.11-30,987,225.11

Finding the Fourth Proportional to 57,093,267.80, 78,786,602.11 and 30,987,225.11

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Solution

The fourth proportional to 57,093,267.80, 78,786,602.11 and 30,987,225.11 is: 42,761,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,267.80 : 78,786,602.11 = 30,987,225.11 : x
  2. Step 2: Convert to fraction form
    57,093,267.80/78,786,602.11 = 30,987,225.11/x
  3. Step 3: Cross multiply
    57,093,267.80x = 78,786,602.11 × 30,987,225.11
  4. Step 4: Simplify right side
    57,093,267.80x = 2,441,378,175,234,571
  5. Step 5: Solve for x
    x = 2,441,378,175,234,571/57,093,267.80
  6. Step 6: Final answer
    x = 42,761,226.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.